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M5 x 27mm 304 Stainless Hex Cap Screw

Expert Overview

This M5 x 27mm Hex Head Cap Screw, crafted from premium 304 stainless steel, offers superior corrosion resistance and tensile strength for critical industrial fastening needs.

StandardASME B18
Material304 Stainless Steel
FinishGalvanized
GradeN/A
SizeM5
Length27mm
Head Width15mm

Detailed Engineering Specifications

Designed for demanding industrial environments, this M5 x 27mm hex head cap screw features a robust 304 stainless steel construction, providing exceptional resistance to corrosion and oxidation, even in harsh conditions. The material's inherent strength ensures reliable load-bearing capacity, making it suitable for applications requiring high tensile and shear strength. Its M5 thread size and 27mm length, coupled with a 15mm head width, facilitate secure and efficient assembly in a wide range of machinery, equipment, and structural components.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

BossardEst. 1831
Switzerland🇨🇭
"Global leader in fastening technology."
Market Rank
🏆 Top 3 Global Fastener Network
Industry Approvals
🚀 Aerospace & Tesla Approved
Warranty & Support
🛡️ Lifetime Traceability
Green Manufacturing
🌱 Carbon Neutral by 2030
Certified:ISO 9001, RoHS, REACH
Würth GroupEst. 1945
Germany🇩🇪
"Premium assembly and fastening materials."
Market Rank
🏆 #1 Global Assembly Supplier
Industry Approvals
🚀 VW & BMW OEM
Warranty & Support
🛡️ 5-Year Industrial Warranty
Green Manufacturing
🌱 100% Recyclable Packaging
Certified:ISO 9001, DIN EN
Brighton-BestEst. 1925
USA🇺🇸
"Master distributor of industrial fasteners."
Market Rank
🏆 Largest Distributor in NA
Industry Approvals
🚀 Boeing Approved
Warranty & Support
🛡️ Global Replacement Guarantee
Green Manufacturing
🌱 Green Steel Initiative
Certified:ISO 9001, A2LA

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:Yes

Installation Procedure

1. Select the appropriate M5 tapping or clearance hole for the application. 2. Insert the screw, ensuring threads engage smoothly and without cross-threading. 3. Tighten the screw using a suitable wrench or socket to the recommended torque specification for the mating component.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 898-1 / ISO 4014
DIN EquivalentDIN 931 / DIN 933
Primary StandardASME B18

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°C)
Thermal Expansion
Typical for Material Class

Recommended Torque Values

Bolt SizeDry Torque (ft-lbs)Lubricated Torque (ft-lbs)
M5Check CalculatorReduce by 25%

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
M5Varies by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedExcellent
Marine / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using a hex key that is not the correct size, leading to cam-out and stripped heads.Always use a properly sized hex key or socket drive for the M5 screw head to ensure efficient torque transfer and prevent damage.
Over-tightening the screw, which can strip threads or damage the mating material.Consult engineering drawings or torque charts for the correct tightening torque and use a calibrated torque wrench for critical applications.

Common Applications

  • Machinery and equipment assembly
  • Structural and frame fabrication
  • Outdoor and marine environments

⚠️ Engineering Warnings

  • Ensure thread compatibility with the mating component to prevent stripping or failure.
  • For applications with significant vibration, consider using thread-locking compounds or secondary locking mechanisms.

Alternative Products to Consider

Premium Fastening & Joining equivalentHigher corrosion resistance (316 SS)
Economy Fastening & Joining optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Hex Head Cap Screw, 304 Stainless Steel made from?

A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Machinery and equipment assembly, Structural and frame fabrication, Outdoor and marine environments.

Technical Schematic

HEX BOLT DIAGRAMSAE J429 / ASME B18.2.1HEXHEADLENGTH = 27mmAF15mm1/2"-13TIGHTEN →MECHANICAL PROPERTIESTensile Strength: 150,000 psiThread: 1/2"-13 UNCTorque Direction: Clockwise (CW)Head Marking: 6 radial lines (Grade 8)

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.